All bonds herein authorized, which shall have been duly sold and delivered as herein provided, shall constitute valid and legally binding general obligations of the State of California, and the full faith and credit of the State of California is hereby pledged for the punctual payment of both principal and interest thereof. There is hereby appropriated from any available moneys in the account established in the Harbor Bond Sinking Fund pursuant to subdivision (a) of Section 3918.5, or if such moneys are insufficient, then from the General Fund of the State of California, such sum annually as will be necessary to pay the principal of and interest on the bonds issued and sold at the instance of the authority pursuant to the provisions of this part, as such principal and interest become due and payable. There is hereby appropriated from any available moneys in the account established in the Harbor Bond Sinking Fund pursuant to subdivision (b) of Section 3918.5, or if such moneys are insufficient then from the General Fund of the State of California, such sum annually as will be necessary to pay the principal of and interest on the bonds issued and sold at the instance of the commission pursuant to the provisions of this part, as such principal and interest become due and payable. Any sums withdrawn from the General Fund for the payment of principal of or interest on the bonds shall be returned to the General Fund as soon as moneys are available for that purpose in the Harbor Bond Sinking Fund account for the benefit of which the appropriation had been made from the General Fund, together with interest thereon at the same rate as, at the time of appropriation, is earned by short term current investments through the pooled money investment account, such earnings to be determined by the Controller.
There shall be collected annually in the same manner and at the same time as other state revenue is collected such a sum, in addition to the ordinary revenues of the State, as shall be required to pay the principal and interest on said bonds as herein provided, and it is hereby made the duty of all officers charged by law with any duty in regard to the collections of said revenue, to do and perform each and every act which shall be necessary to collect such additional sum.